Trees: Is This a Binary Search Tree?

Hacker
Rank
Score
115220
flag of United States
00.00
115220
flag of India
00.00
115220
flag of India
00.00
115220
flag of India
00.00
115220
flag of India
00.00
115220
flag of United States
00.00
115220
flag of India
00.00
115220
flag of Germany
00.00
115220
flag of India
00.00
115220
flag of India
00.00
115220
flag of United States
00.00
115220
flag of Indonesia
00.00
115220
flag of United States
00.00
115220
flag of Poland
00.00
115220
flag of Taiwan
00.00
115220
flag of United States
00.00
115220
flag of United States
00.00
115220
flag of India
00.00
115220
flag of India
00.00
115220
flag of Nigeria
00.00
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